Email security & deliverability · grade A
v=spf1 a mx ip4:195.50.146.128/26 ip4:213.160.72.146 ip4:185.150.34.20 ip4:185.150.32.4 ip6:2a00:17d8:100::18a1 include:spf.srv2.de include:spf.protection.outlook.com ~all